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association with jiva

...they inhabit. Humans, gods, and demons possess the five sense organs plus intellect. Lesser beings have between two and five sense organs. Clusters of minute beings, called
nigodas, belong to the lowest class of
jivas, which possess only the sense of touch and undergo such common functions as respiration and metabolism...

role in Jainism

...second group comprises souls that inhabit bodies that have between two and five sense organs. Moreover, the universe is populated with an infinite number of minute beings,
nigodas, some of which are slowly evolving while the rest have no chance of emerging from their hapless state.